#397FD2

#397FD2

Color Values

HEX

#397FD2

RGB

57, 127, 210

HSL

212.5, 63.0%, 52.4%

HSV

212.5, 72.9%, 82.4%

CMYK

72.9%, 39.5%, 0.0%, 17.6%

OKLCH

0.5928 0.1453 254.5

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#397FD2

#D28C39

Analogous

#39CCD2

#4039D2

#397FD2

Triadic

#397FD2

#D2397F

#7FD239

Split Complementary

#397FD2

#D24039

#CCD239

Tetradic

#397FD2

#D239CC

#D28C39

#39D240

Color Blindness Simulation

Original

#397FD2

Protanopia

#5758BE

Deuteranopia

#534EB9

Tritanopia

#3CAEAB

Achromatopsia

#767676

CSS Usage

background-color: #397FD2;
color: #397FD2;
border-color: #397FD2;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4ECF7
200
#C5D9F2
300
#9BBFE8
400
#659CDC
500
#2F79D0
600
#2661A6
700
#1E4D85
800
#183C68
900
#152E4C
950
#0D1D30

Contrast Checker

Text on white

4.09:1

AA Fail AAA Fail

Text on black

5.14:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026